问在python中使用endswith时不区分大小写
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Stack Overflow用户

提问于 2017-08-11 22:25:53

回答 1查看 12.3K关注 0票数 13

我有一个文件扩展名列表，并且我必须编写if条件。就像这样

ext = (".dae", ".xml", ".blend", ".bvh", ".3ds", ".ase",
           ".obj", ".ply", ".dxf", ".ifc", ".nff", ".smd",
           ".vta", ".mdl", ".md2", ".md3"
           ".pk3", ".mdc", ".x"
           ".q3o", ".q3s", ".raw"
           ".ac", ".dxf", ".irrmesh"
           ".irr", ".off", ".ter"
           ".mdl", ".hmp", ".mesh.xml"
           ".skeleton.xml", ".material", ".ms3dv"
           ".lwo", ".lws", ".lxo"
           ".csm", ".cob", ".scn"
           ".xgl", ".zgl")
for folder, subfolders, filename in os.walk(directory):
    if any([filename.endswith(tuple(ext)) for filename in filenames]):

我意识到endswith是区分大小写的。例如，我如何将".xml“和".XML”视为相同的扩展名？

python

regex

os.walk

回答 1

Stack Overflow用户

回答已采纳

发布于 2017-08-11 22:26:36

在调用endswith之前，只需调用lower将字符串变为小写即可

ext = (".dae", ".xml", ".blend", ".bvh", ".3ds", ".ase",
           ".obj", ".ply", ".dxf", ".ifc", ".nff", ".smd",
           ".vta", ".mdl", ".md2", ".md3"
           ".pk3", ".mdc", ".x"
           ".q3o", ".q3s", ".raw"
           ".ac", ".dxf", ".irrmesh"
           ".irr", ".off", ".ter"
           ".mdl", ".hmp", ".mesh.xml"
           ".skeleton.xml", ".material", ".ms3dv"
           ".lwo", ".lws", ".lxo"
           ".csm", ".cob", ".scn"
           ".xgl", ".zgl")
for folder, subfolders, filename in os.walk(directory):
    if any([filename.lower().endswith(tuple(ext)) for filename in filenames]):

票数 39

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原文链接：

https://stackoverflow.com/questions/45637600

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